package com.sang.springcloud.controller;


import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.sang.springcloud.pojo.Dept;
import com.sang.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

//提供Restful服务！
@RestController
public class DeptController {

    @Autowired
    DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")
    public Dept get(@PathVariable("id") Long id) {

        if (id==null){
            throw new RuntimeException("id=>"+id+",不存在该用户,或者信息无法找到！");
        }
        return deptService.queryById(id);
    }

    //备选方法
    public Dept hystrixGet(@PathVariable("id") Long id) {
        return new Dept()
                .setDeptno(id)
                .setDname("id=>"+id+",没有对应的信息！null-->@Hystrix")
                .setDb_source("no this database in MySQL");
    }

}
